Get Real AD0-E722 Quesions Pass Adobe Certification Exams Easily [Q26-Q50]

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NEW QUESTION # 26
An Adobe Commerce Architect is troubleshooting an issue on an Adobe Commerce Cloud project that is not yet live.
The developers copied the Staging Database to Production in readiness to Go Live. However, when the developers test their Product Import feature, the new products do not appear on the front end.
The developers suspect the Varnish Cache is not being cleared. Staging seems to work as expected. Production was working before the database migration.
What is the likely cause?

• A. The site URLs in the Production Database are the URLs of the Staging Instance and must be updated
• B. A deployment should have been done on Production to initialize Fatly caching.
• C. Thefatlycredentials in the Production Database are incorrect.

Answer: A

NEW QUESTION # 27
An Adobe Commerce store owner sets up a custom customer attribute "my.attribute".
An Architect needs to display additional content on the home page, which should display only to Customers with "my.attribute" of a certain value and be the same content for all of them. The website is running Full Page Cache.
With simplicity in mind, which two steps should the Architect take to implement these requirements? (Choose two.)

• A. Add a dynamic block with the content to the Home Page
• B. Add a custom block and a pHTML template with the content to the cmsjndexjndex.xml layout
• C. Add a new context value of "my_attribute" to Magento\Framework\App\Http\Context
• D. Use customer-data JS library to retrieve "my.attribute" value
• E. Create a Customer Segment and use 'my.attribute' in the conditions

Answer: A,C

Explanation:
Explanation
To display additional content on the home page based on a custom customer attribute, the Architect needs to do the following steps:
Add a new context value of "my_attribute" to Magento\Framework\App\Http\Context. This will allow the Full Page Cache to generate different versions of the page for customers with different values of
"my.attribute". The context value can be set using a plugin on the Magento\Customer\Model\Context class.
Add a dynamic block with the content to the Home Page. A dynamic block is a type of content block that can be configured to display only to specific customer segments or conditions. The Architect can use the 'my.attribute' in the conditions of the dynamic block and assign it to the Home Page in the Content > Blocks section of the Admin Panel. References:
Private content | Magento 2 Developer Documentation
Dynamic Blocks | Adobe Commerce 2.3 User Guide - Magento

NEW QUESTION # 28
An Adobe Commerce Architect is planning to create a new action that will add gift registry items to the customer's quote. What should the Architect do to guarantee that private content blocks are updated?

• A. Specify a new action in a sections.xml configuration file
• B. Invalidate the status of gift registry indexers
• C. Mark the controller by setting no-cache HTTP headers

Answer: A

Explanation:
Explanation
Private content blocks are sections of the page that are specific to each customer and are not cached by the server. To update these blocks when a customer performs an action, such as adding a gift registry item to the quote, the Adobe Commerce Architect needs to specify the new action in a sections.xml configuration file.
This file defines which blocks need to be updated for each action and how often they should be updated.By doing this, the Architect can ensure that the private content blocks are refreshed with the latest data from the server. References:
Private content | Magento 2 Developer Documentation
Configure private content | Magento 2 Developer Documentation

NEW QUESTION # 29
A merchant is using a unified website that supports native Adobe Commerce B2B and B2C with a single store view.
The merchant's objective is to display the B2B account features, such as negotiable quotes and credit limits, in the header of the site on every page for logged-in users who belong to a B2B company account.
Each B2B company possesses its unique shared catalog and customer group, while numerous customer groups for non-B2B customers undergo changes. The merchant insists that this association should not be linked to customer groups.
Which two solutions should the Architect recommend for consideration, taking into account public data and caching? (Choose two.)

• A. Create a new HTTP Context variable to allow for separate public content to be cached for users in B2B companies where the output can be modified accordingly.
• B. Check if the current user is part of a B2B company within a block class and modify the output accordingly.
• C. Create a new custom condition for customer segments that allow for choosing whether a user is part of a B2B company and then use this segment to modify the output accordingly.
• D. Create a Virtual Type that switches the theme when a user is part of a B2B company so the output can be modified accordingly in the alternate theme.
• E. Set whether the current user is part of a B2B company in the customer session and use that data directly to modify the output accordingly.

Answer: A,C

Explanation:
Explanation
Option B is a valid solution because creating a new HTTP Context variable can allow for differentiating the public content cache for users who belong to a B2B company account. The HTTP Context variable can be used to modify the output of the header block accordingly, without affecting the performance or scalability of the site1 Option D is also a valid solution because creating a new custom condition for customer segments can enable targeting users who are part of a B2B company account. The customer segment can be used to modify the output of the header block accordingly, using layout updates or dynamic blocks. This solution can also leverage the existing customer segment functionality and avoid custom coding2 Option A is not a valid solution because switching the theme based on a virtual type can cause performance issues and increase the complexity of the site maintenance. Moreover, switching the theme can affect the entire site appearance, not just the header block3 Option C is not a valid solution because using the customer session data directly to modify the output of the header block can prevent the public content cache from working properly. The customer session data is private and cannot be cached, so this solution can negatively impact the performance and scalability of the site4 Option E is not a valid solution because checking if the current user is part of a B2B company within a block class can also prevent the public content cache from working properly. The block class logic is executed on every request, so this solution can negatively impact the performance and scalability of the site5 References:
1:
https://experienceleague.adobe.com/docs/commerce-cloud-service/user-guide/architecture/starter-architecture.htm
https://experienceleague.adobe.com/docs/commerce-cloud-service/user-guide/marketing/customer-segments.htm
https://experienceleague.adobe.com/docs/commerce-cloud-service/user-guide/design/themes.html?lang=en 4:
https://experienceleague.adobe.com/docs/commerce-cloud-service/user-guide/architecture/starter-architecture.htm
https://experienceleague.adobe.com/docs/commerce-cloud-service/user-guide/architecture/starter-architecture.htm

NEW QUESTION # 30
An Adobe Commerce Architect is reviewing API-functional test code. Some tests send errors to indicate that the customer address does not exist. The test codes show the following:

Which step should the Architect take to fix the test errors?

• A. Set the annotation to USe AmagentoPersistDataFixture Magento/Cu5tomer/_f iles/custcwer_one_address.php instead Of @magentoDataFixture Magento/Customer/_f iles/customer_one_address.php
• B. Update the annotation to Specify addreSSjd EniagentoDataFixture Magento/Customer/_files/customer_one_address.php with:{Maddress_id":"$address.id$"}
• C. Change the annotation to Use@magentoApiDataFixture Magento/Customer/_files/ instead Or dmagentoDataFixture Magento/Customer/_files/customer_one_address.php

Answer: A

Explanation:
Explanation
The issue is being caused by the use of @magentoDataFixture annotation, which creates a temporary data fixture that is rolled back after each test execution1. This means that the customer address created by the fixture is not persisted in the database and cannot be retrieved by subsequent tests. To fix this, the Architect should use @magentoPersistDataFixture annotation, which creates a permanent data fixture that is not rolled back after each test execution2. This way, the customer address created by the fixture will be persisted in the database and can be accessed by subsequent tests. Changing the annotation to use @magentoApiDataFixture or specifying address_id in the annotation will not solve the issue, as they are not related to the persistence of the data fixture3. References: Data fixtures, Persistent data fixtures, API-functional tests

NEW QUESTION # 31
An Adobe Commerce Architect creates a stopword for the Italian locale named stopwordsjtJT.csv and changes the stopword directory to the following: <magento_root>/app/code/Customvendor/Elasticsearch/etc/stopwords/ What is the correct approach to change the stopwords directory inside the custom module?

• A. Add stopwords to the stopwordsDirectory parameter of the\Hagento\Elasticsearch\Model\Adapter\Document\DirectoryBuilder ClaSS Via stopwords/it.xml and Adobe Commerce will automatically detect the current module.
• B. Add stopwords to the stopwordsDirectory and CustomerVendor_Elasticsearch to the stopword sModule parameter Of the \Magento\Elasticsearch\SearchAdapter\Query\Preprocessor\Stopwords ClflSS Via di.xml
• C. Add a new ClaSS implementing \Magento\Framework\Setup\Patch\PatchInterface to modify the default Value Of elasticsearch\customer\stopwordspath in core.conf ig_data table.

Answer: B

Explanation:
Explanation
According to the Adobe Commerce documentation, the correct approach to change the stopwords directory inside a custom module is to use dependency injection to override the default values of the stopwordsDirectory and stopwordsModule parameters of the
\Magento\Elasticsearch\SearchAdapter\Query\Preprocessor\Stopwords class. The stopwordsDirectory parameter specifies the relative path of the stopwords directory from the module directory, while the stopwordsModule parameter specifies the name of the module that contains the stopwords directory. By adding these parameters to the di.xml file of the custom module, the Architect can change the location of the stopwords files without modifying the core code or database.
References:
To change the directory from your module
Configure Elasticsearch stopwords

NEW QUESTION # 32
An Adobe Commerce Architect is working on a scanner that will pull prices from multiple external product feeds. The Architect has a list of vendors and decides to create new config file marketplace.feeds.xml.
Which three steps can the Architect take to ensure validation of the configuration files with unique validation rules for the individual and merged files? (Choose three.)

• A. Implement validation rules in the Converter class for the Config Reader
• B. Provide schema to validate an individual file.
• C. Create validation rules in marketplace.schema.xsd.
• D. Create a class that implements \Magento\Framework\Config\Datainterface.
• E. Provide schema to validate a merged file.
• F. Add the Uniform Resource Name to the XSD file in the config XML file.

Answer: B,C,E

Explanation:
Explanation
The Architect can take the following steps to ensure validation of the configuration files with unique validation rules for the individual and merged files:
Create validation rules in marketplace.schema.xsd. This file defines the structure and constraints of the XML elements and attributes for the marketplace.feeds.xml configuration file. The Architect can use this file to specify the required and optional elements, data types, values, and patterns for the configuration file.
Provide schema to validate a merged file. This schema is used to validate the final configuration file that is generated after merging all the individual configuration files from different modules. The Architect can use this schema to check the consistency and completeness of the merged configuration file.
Provide schema to validate an individual file. This schema is used to validate each individual configuration file from each module before merging them. The Architect can use this schema to check the syntax and validity of each configuration file.
References:
https://experienceleague.adobe.com/docs/commerce-cloud-service/user-guide/architecture/starter-architecture.htm

NEW QUESTION # 33
An Architect wants to create an Integration Test that does the following:
* Adds a product using a data fixture
* Executes $this->someLogic->execute($product) on the product
* Checks if the result is true.
$this->someLogic has the correct object assigned in the setup() method.
Product creation and the tested logic must be executed in the context of two different store views with IDs of 3 and 4, which have been created and are available for the test.
How should the Architect meet these requirements?

• A. Create one test class with two test methods. Use the emagentostorecontext 3 annotation in one method and amagentostorecontext 4 in the other one.
• B. Create one test class with one test method. Use the
  \Magento\TestFramework\store\ExecuteinstoreContext class once in the fixture and another time in the test.
• C. Create two test classes with one test method each. Use the @magentoExecuteinstoreContext 3 and
  $MagentoExecuteinStoreContext 4 annotations on the class level.

Answer: B

Explanation:
Explanation
To create an integration test that executes different logic in different store views, the Architect needs to do the following steps:
Create one test class that extends \Magento\TestFramework\TestCase\AbstractController or
\Magento\TestFramework\TestCase\AbstractBackendController, depending on the type of controller being tested1.
Create one test method that uses the @magentoDataFixture annotation to specify the data fixture file that creates the product2.
Use the \Magento\TestFramework\Store\ExecuteInStoreContext class to execute the fixture and the tested logic in different store views. This class has a method called executeInStoreContext, which takes two parameters: the store ID and a callable function. The callable function will be executed in the context of the given store ID, and then the original store ID will be restored3. For example:
PHPAI-generated code. Review and use carefully. More info on FAQ.
public function testSomeLogic()
{
// Get the product from the fixture
$product = $this->getProduct();
// Get the ExecuteInStoreContext instance from the object manager
$executeInStoreContext =
$this->_objectManager->get(\Magento\TestFramework\Store\ExecuteInStoreContext::class);
// Execute the fixture in store view 3
$executeInStoreContext->executeInStoreContext(3, function () use ($product) {
// Do some operations on the product in store view 3
});
// Execute the tested logic in store view 4
$result = $executeInStoreContext->executeInStoreContext(4, function () use ($product) {
// Call the tested logic on the product in store view 4
return $this->someLogic->execute($product);
});
// Assert that the result is true
$this->assertTrue($result);
}
References:
Integration tests | Magento 2 Developer Documentation
Data fixtures | Magento 2 Developer Documentation
Magento\TestFramework\Store\ExecuteInStoreContext | Magento 2 Developer Documentation

NEW QUESTION # 34
A third-party company needs to create an application that will integrate the Adobe Commerce system to get orders data for reporting. The integration needs access to the GET /Vl/orders endpoint. It will call this endpoint automatically every hour around the clock. The merchant wants the ability to restrict or extend access to resources as well as to revoke the access using Admin Panel.
Which type of authentication available in Adobe Commerce should be used and implemented in a third-party system for this integration?

• A. Use token-based authentication to obtain an integration Token, integration will be created and activated in the admin panel using default integration token settings to get access to the token, which will be used as the Bearer Token to authorize.
• B. Use token-based authentication to obtain the Admin Token. The third-party system will utilize the REST endpoint using the admin username and password to get the Admin Token, which will be used as the Bearer Token to authorize.
• C. Use OAuth-based authentication to provide access to system resources. Integration will be registered by the merchant in the admin panel with an OAuth handshake during activation. The third-party system should follow OAuth protocol to authorize.

Answer: C

Explanation:
Explanation
According to the Adobe Commerce documentation, OAuth-based authentication is the recommended method for integrations that need access to system resources, such as orders, customers, products, etc. OAuth-based authentication allows the merchant to control the access level and scope of the integration, as well as to revoke the access at any time using the admin panel. OAuth-based authentication also requires an OAuth handshake between the integration and the Adobe Commerce system during activation, which ensures a secure exchange of tokens and keys. The third-party system should follow the OAuth protocol to obtain and refresh the access token, which will be used as the Bearer Token to authorize the REST API calls.
References:
Authentication | Adobe Commerce Developer Guide
OAuth-based authentication | Adobe Commerce Developer Guide

NEW QUESTION # 35
A merchant asks for a new category attribute to allow uploading an additional mobile image against categories. The merchant utilizes the content staging and preview feature in Adobe Commerce and wants to schedule and review changes to this new mobile image field.
A developer creates the attribute via a data patch and adds it to view/adminhtml/ui_component/category_f orm. xml. The attribute appears against the category in the main form, but does not appear in the additional form when scheduled updates are made.
To change this attribute when scheduling new category updates, which additional action should the Architect ask the developer to take?

• A. The attribute must have <item- name=''allow_staging" xsi:type=''boolean''>true</item> set in the cjt.gopy_for-.xni file under the attributes config' section.
• B. The attribute must also be added to view/adminhtml/ui_co-component/catalogstaging_category_update_form.xml.
• C. The attribute must have its apply_to field set to "staging" in the data patch file.

Answer: B

Explanation:
Explanation
This action is necessary to make the attribute available for content staging and preview. According to the Adobe Commerce documentation, the catalogstaging_category_update_form.xml file defines the fields that are displayed in the Scheduled Changes section of the category form. The file extends the category_form.xml file and adds additional fields that are specific to content staging, such as start and end dates, campaign name, description, etc. To include a custom category attribute in the Scheduled Changes section, the attribute must also be declared in the catalogstaging_category_update_form.xml file with the same configuration as in the category_form.xml file.
References:
Content staging | Adobe Commerce Developer Guide
Create a category attribute | Adobe Commerce Developer Guide

NEW QUESTION # 36
An Adobe Commerce Architect needs to ensure zero downtime during the deployment process of Adobe Commerce on-premises. Which two steps should the Architect follow? (Choose two.)

• A. Run bin/magento setup:upgrade --dry-run=true to upgrade database
• B. Run bin/magento setup:upgrad --convert-old-scripts-true to Upgrade database
• C. Enable Config flag Under deployement/blue_green/enabled
• D. Run bin/magento setup:upgrade - -keep-generated to Upgrade database
• E. Enable Config flag Under developer/zero_down_time/enabled

Answer: C,D

Explanation:
Explanation
Option A is correct because enabling the config flag under deployment/blue_green/enabled is one of the steps to ensure zero downtime during the deployment process of Magento 2 on-premises. This flag enables the blue-green deployment feature, which allows deploying a new version of the Magento application to a separate environment (blue) without affecting the current live environment (green). Once the new version is ready, the traffic can be switched from green to blue with minimal or no downtime1.
Option C is correct because running bin/magento setup:upgrade --keep-generated is another step to ensure zero downtime during the deployment process of Magento 2 on-premises. This command updates the database schema and data without deleting the generated code and static view files. This way, the Magento application can still serve requests from the cache while the database is being upgraded2.
Option B is incorrect because running bin/magento setup:upgrade --dry-run=true does not upgrade the database, but only checks if there are any errors or conflicts in the database schema or data. This command can be used for testing purposes, but it does not affect the deployment process or the downtime3.
Option D is incorrect because there is no such option as --convert-old-scripts-true for the bin/magento setup:upgrade command. This option does not exist in Magento 2 and does not have any effect on the deployment process or the downtime.
Option E is incorrect because there is no such config flag as developer/zero_down_time/enabled in Magento 2. This flag does not exist in Magento 2 and does not have any effect on the deployment process or the downtime.
References:
1: Blue-green deployment | Adobe Commerce Developer Guide
2: Deploy Magento to production | Adobe Commerce Developer Guide
3: Command-line installation options | Adobe Commerce Developer Guide

NEW QUESTION # 37
A client is migrating to Adobe Commerce Cloud and has approximately 800 existing redirects that must be implemented. The number of redirects cannot be reduced because all redirects are specific, and do not match any pattern.
How should the redirects be configured to ensure performance?

• A. Add each redirect as a URL rewrite via the admin Ul.
• B. Add each redirect in the magento/routes.yaml file.
• C. Use VCL snippets to offload the redirect to Fastly.

Answer: C

Explanation:
Explanation
Option B is correct because using VCL snippets to offload the redirect to Fastly is the best way to configure the redirects and ensure performance. VCL snippets are custom code segments that can be added to the Fastly configuration to modify the behavior of the caching service. By using VCL snippets, the redirects can be handled at the edge server level, without reaching the Magento application or the database. This reduces the server load and improves the response time for the redirected requests1.
Option A is incorrect because adding each redirect in the magento/routes.yaml file is not a recommended way to configure the redirects. The magento/routes.yaml file is used to define custom routes for Magento Cloud projects, such as mapping domains or subdomains to environments or services. Adding redirects in this file can cause conflicts with the existing routes and affect the routing logic of the project2.
Option C is incorrect because adding each redirect as a URL rewrite via the admin UI is not an optimal way to configure the redirects. The URL rewrite feature in Magento allows creating custom URLs for products, categories, and CMS pages, and redirecting them to their canonical URLs. However, adding a large number of URL rewrites can increase the database size and affect the performance of the Magento application. Moreover, using the admin UI for this task can be tedious and error-prone3.
References:
1: Custom VCL snippets | Adobe Commerce Developer Guide
2: Configure routes | Adobe Commerce Developer Guide
3: URL Rewrites | Adobe Commerce User Guide

NEW QUESTION # 38
An Architect needs to integrate an Adobe Commerce store with a new Shipping Carrier. Cart data is sent to the Shipping Carrier's API to retrieve the price and display to the customer. After the feature isimplemented on the store, the API hits its quota and returns the error "Too many requests". The Shipping Carrier warns the store about sending too many requests with the same content to the API.
In the carrier model, what should the Architect change to fix the problem?

• A. Override getResponse, save the response to a variable, check if the response exists, then return.
• B. Implement _setCachedQuotes() and _getCachedQuotes(), return the data if the request matches.
• C. ln_doShipmentRequest()f call canCollectRates() before sending request to the API.

Answer: B

Explanation:
Explanation
The carrier model class can implement caching methods to store and retrieve the quotes from the API based on the request parameters. This can reduce the number of API calls and improve the performance of the shipping rate calculation. The _setCachedQuotes() method can save the response from the API to a cache storage, and the _getCachedQuotes() method can check if there is a cached response for the current request and return it if it exists. References: Caching in carrier model, Carrier model interface

NEW QUESTION # 39
An Architect is investigating a merchant's Adobe Commerce production environment where all customer session data is randomly being lost. Customer session data has been configured to be persisted using Redis, as are all caches (except full page cache, which is handled via Varnish).
After an initial review, the Architect is able to replicate the loss of customer session data by flushing the Magento cache storage, either via the Adobe Commerce Admin Panel or running bin/magento cache: flush on the command line. Refreshing all the caches in the Adobe Commerce Admin Panel or running bin/magento cache: clean on the command line does not cause session data to be lost.
What should be the next step?

• A. Check app/etc/env.php and make sure that the Redis configuration for caches and session data use different database numbers.
• B. Educate the merchant to not flush cache storage and only refresh the caches in future.
• C. Set the Stores > Configuration' option for Store Session Data Separately' to 'Yes' in the Adobe Commerce Admin Panel.

Answer: A

Explanation:
Explanation
The issue here is that the customer session data is randomly being lost when flushing the Magento cache storage. This is because the Redis configuration for caches and session data might be using the same database number, which causes the session data to be deleted along with the caches. The solution is to check the app/etc/env.php file and make sure that the Redis configuration for caches and session data use different database numbers. This will prevent the session data from being affected by the cache operations. References:
https://experienceleague.adobe.com/docs/commerce-cloud-service/user-guide/develop/deploy/redis.html?lang=e

NEW QUESTION # 40
While developing a new functionality for a website in developer mode with all cache types enabled, an Adobe Commerce Developer needs to add \Magento\Sales\Model\Service\InvoiceService SinvoiceService as a new dependency to an existing page action controller in Vendor\CustomModule\Controller\Index\Index . This is accomplished as follows:

After cleaning the f ull_page cache and reloading the page, the developer encounters the following exception:
Recoverable Error: Argument 2 passed to Vendor\CustomModule\Controller\Index\Index::__construct() must be an instance of
\Magento\Sales\Model\Service\InvoiceService [...]
Which action should the Architect recommend to the developer to fix this error?

• A. Clean the block_html cache along with full_page cache.
• B. Remove the generated Child ClaSS from generated/code/Vendor/CustomModule/Controller/Index/Index.
• C. Add the new \Magento\sales\Model\service\invoiceService Sinvoiceservice dependency at the end of the constructor signature.

Answer: B

Explanation:
Explanation
The error is caused by the generated child class not being updated with the new dependency. Removing the generated child class will allow the system to generate a new child class with the correct dependency. The generated child class is a proxy class that extends the original controller class and overrides the constructor to inject the dependencies using the object manager. The generated child class is created when the system runs in developer mode with cache enabled, to avoid performance issues. However, when a new dependency is added to the original controller class, the generated child class does not reflect the change and causes a mismatch in the constructor arguments. Therefore, deleting the generated child class from the generated/code directory will solve the problem.
References:
Generated code | Adobe Commerce Developer Guide
Constructor signature change | Adobe Commerce Developer Guide

NEW QUESTION # 41
A single Adobe Commerce Cloud instance is set up with two websites (each with a single store view) with different domains.
* The default website is website_one, with store view store_one, and domain storeone. com.
* The second website is website_two, with store view store_two, and domain storetwo. com.
The magento-vars. php file is set up as follows to determine which website each request runs against:

When testing a new GraphQL integration, all requests returned data relating to the default website, regardless of the domain. What is causing this issue?

• A. $_server["mage_run_cooe") needs to be setto store and *$_SERVER["MAGE_RUN_TYPE"] needs to be set to the store code instead.
• B. The magento-vars.php file is not processed for any GraphQL requests, so the default website is always processed.
• C. GraphQL requests are always run against the default store view unless a store header or store cookie is provided.

Answer: C

Explanation:
Explanation
The magento-vars.php file is used to set the website or store view based on the HTTP host, but it does not affect GraphQL requests. GraphQL requests are handled by a separate controller that does not use the magento-vars.php file. Instead, GraphQL requests use the default store view of the default website, unless a store header or store cookie is provided in the request. The store header or cookie should contain the store code of the desired store view. For example, to query data from website_two, the request should include a header like store: store_two or a cookie like store=store_two12.
GraphQL overview | Adobe Commerce 2.4 User Guide - Magento
How to set up multiple websites with Magento 2 - Mageplaza

NEW QUESTION # 42
A client has multiple warehouses where orders can be fulfilled. The cost of shipping goods from each warehouse varies by day, due to the number of workers available. The Architect needs to make sure that when an order is shipped, it is shipped from the lowest cost warehouse that is open.
How should this functionality be implemented?

• A. Create a new class implementing
  Magento\invtntorysourceSelectionApi\Modei\sourceSelectioninterfacece. which returns open warehouses sorted by cost.
• B. Create anew class as a preference for
  Magento\inventoryShipping\piugin\Sales\shipment\AssignSourceCodeToShipmentPlugin to set the lowest-cost warehouse on a shipment.
• C. Create an after plugin OnHagento\InventoryDistanceBasedSourceSelection\Hodel\Algorithms\DistanceBasedAlgorithto sortto Warehouse sources by cost

Answer: A

Explanation:
Explanation
According to the Adobe Commerce documentation, the Source Selection Interface is the main interface for implementing custom source selection algorithms. The interface defines a method called execute(), which takes a list of items to be shipped and a stock ID as parameters, and returns a SourceSelectionResultInterface object, which contains the recommended sources and quantities for each item. The Architect can create a new class that implements this interface and provides the logic for finding the lowest-cost warehouse that is open for each item. The Architect can then register the new class as an option for the source selection algorithm in the di.xml file of the custom module.
References:
Source Selection Algorithm | Adobe Commerce Developer Guide
Source Selection Interface | Adobe Commerce Developer Guide

NEW QUESTION # 43
An existing Adobe Commerce website is moving to a headless implementation.
The existing website features an "All Brands'' page, as well as individual pages for each brand. All brand-related pages are cached in Varnish using tags in the same manner as products and categories.
Two new GraphQL queries have been created to make this information available to the frontend for the new headless implementation:

During testing, the queries sometimes return out-of-date information. How should this problem be solved while maintaining performance?

• A. Each GraphQL query's resolver class should inject \Magento\GraphQlcache\Model\cacheableQuery and call setcachevalidity(true) on it as part of the resolver's resolve function.
• B. Specify a $cache(cacheidentity: Path\\To\\identityclass) directive for each GraphQL query, corresponding to a class that adds cache tags for relevant brands and associated products
• C. Specify a @cacgecacheable(cacheable: false) directive for each GraphQL query, making sure that the data returned is not cached, and is up to date

Answer: B

Explanation:
Explanation
This solution ensures that the data returned by the GraphQL queries is up to date, while also maintaining performance. By specifying a $cache(cacheidentity: Path\To\identityclass) directive for each GraphQL query, the relevant brands and associated products will be added as cache tags.

NEW QUESTION # 44
The development of an Adobe Commerce website is complete. The website is ready to be rolled out on the production environment.
An Architect designed the system to run in a distributed architecture made up of multiple backend webservers that process requests behind a Load Balancer.
After deploying the system and accessing the website for the first time, users cannot access the Customer Dashboard after logging in. The website keeps redirecting users to the sign-in page even though the users have successfully logged in The Architect determines that the session is not being saved properly.
In the "app/etc/env.php", the session is configured as follows:

What should the Architect do to correct this issue?

• A. increase the session size with the command config:set system/security/max_session_size_admin
• B. Update the session host value to a shared Redis instance
• C. Utilize the Remote Storage module to synchronize sessions between the servers

Answer: B

Explanation:
Explanation
Option A is correct because updating the session host value to a shared Redis instance in the
"app/etc/env.php" file will allow the session to be saved properly and prevent users from being redirected to the sign-in page after logging in. Redis is a fast and reliable in-memory data store that can be used for session storage in Magento 2. By using a shared Redis instance, the session data can be accessed by any of the backend web servers behind the load balancer, regardless of which server handled the initial request. This ensures that the user's session is maintained and consistent across different servers1.
Option B is incorrect because increasing the session size with the command config:set system/security/max_session_size_admin will not solve the issue of session not being saved properly.
This command only affects the admin session size limit, not the customer session size limit. Moreover, this command does not address the root causeof the issue, which is that the session data is not shared among the backend web servers2.
Option C is incorrect because utilizing the Remote Storage module to synchronize sessions between the servers is not a viable solution for this issue. The Remote Storage module is a feature of Magento Commerce Cloud that allows storing media files and other static content on a remote storage service such as AWS S3 or Azure Blob Storage. This module does not support synchronizing sessions between servers, as sessions are dynamic and transient data that need to be stored in a fast and accessible data store such as Redis3.
References:
1: Use Redis for session storage | Adobe Commerce Developer Guide
2: Security | Adobe Commerce User Guide
3: Remote storage | Adobe Commerce Developer Guide

NEW QUESTION # 45
An Adobe Commerce Architect is supporting deployment and building tools for on-premises Adobe Commerce projects. The tool is executing build scripts on a centralized server and using an SSH connection to deploy to project servers.
A client reports that users cannot work with Admin Panel because the site breaks every time they change interface locale.
Considering maintainability, which solution should the Architect implement?

• A. Adjust the tools build script and specify required locales during *setup:static-content:deploy' command
• B. Modify project config.php file, configure 'admin_locales_for_deploy' value, and specify all required locales
• C. Edit project env.php file, configure 'adminJocales_for_build' value, and specify all required locales

Answer: A

Explanation:
Explanation
The issue here is that the site breaks every time the users change interface locale in the Admin Panel. This is because the static content for the different locales is not generated during the deployment process. The solution is to adjust the tools build script and specify required locales during *setup:static-content:deploy' command. This will ensure that the static content for all the needed locales is generated and deployed to the project servers. References:
https://experienceleague.adobe.com/docs/commerce-cloud-service/user-guide/develop/deploy/static-content.htm

NEW QUESTION # 46
An Adobe Commerce Architect is setting up a Development environment for an on-premises project that will be used for developers to specifically test functionality, not performance, before being passed to the Testing team.
The Magento application must run with the following requirements:
1. Errors should be logged and hidden from the user
2. Cache mode can only be changed from Command Line
3. Static files should be created dynamically and then cached
Which Application Mode is required to achieve this?

• A. Developer Mode
• B. Production Mode
• C. Default Mode

Answer: A

Explanation:
Explanation
Developer mode is the best option for setting up a development environment for testing functionality, not performance, before being passed to the testing team. In developer mode:
Errors are logged and hidden from the user. This ensures that the user does not see any uncaught exceptions or debugging information, but the developers can still access them from the log files.
Cache mode can only be changed from command line. This prevents any accidental or unauthorized changes to the cache settings from the admin panel or other sources.
Static files are created dynamically and then cached. This allows the developers to see the latest changes to the static files without having to run the static content deployment command every time. The static files are also cached for faster loading.
References:
https://experienceleague.adobe.com/docs/commerce-operations/configuration-guide/setup/application-modes.htm

NEW QUESTION # 47
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